Kettle



FIG. 1 is plan view of a kettle showing our new design;

FIG. 2 is a side view thereof;

FIG. 3 is a top and side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a kettle, as shown and described. 